<?php

/**
 * The Theme options page.
 *
 * @author     Time.ly Network Inc.
 * @since      2.0
 *
 * @package    AI1EC
 * @subpackage AI1EC.View
 */
class Ai1ec_View_Theme_Options extends Ai1ec_View_Admin_Abstract {

    /**
     * @var string The nonce action
     */
    const NONCE_ACTION = 'ai1ec_theme_options_save';

    /**
     * @var string The nonce name
     */
    const NONCE_NAME  = 'ai1ec_theme_options_nonce';

    /**
     * @var string The id/name of the submit button.
     */
    const SUBMIT_ID = 'ai1ec_save_themes_options';

    /**
     * @var string The id/name of the Reset button.
     */
    const RESET_ID = 'ai1ec_reset_themes_options';

    /**
     * @var string
     */
    public $title;

    /**
     * @var string
     */
    public $meta_box_id;

    /**
     * Adds the page to the correct menu.
     */
    public function add_page() {
        $theme_options_page = add_submenu_page(
            AI1EC_ADMIN_BASE_URL,
            Ai1ec_I18n::__( 'Theme Options' ),
            Ai1ec_I18n::__( 'Theme Options' ),
            'manage_ai1ec_options',
            AI1EC_PLUGIN_NAME . '-edit-css',
            array( $this, 'display_page' )
        );
        $settings = $this->_registry->get( 'model.settings' );
        if ( false !== $settings->get( 'less_variables_page' ) ) {
            // Make copy of Theme Options page at its old location.
            $submenu['themes.php'][] = array(
                Ai1ec_I18n::__( 'Calendar Theme Options' ),
                'manage_ai1ec_options',
                AI1EC_THEME_OPTIONS_BASE_URL,
            );
        };
        $settings->set( 'less_variables_page', $theme_options_page );
    }

    /**
     * Add meta box for page.
     *
     * @wp_hook admin_init
     *
     * @return void
     */
    public function add_meta_box() {
        // Add the 'General Settings' meta box.
        add_meta_box(
            'ai1ec-less-variables-tabs',
            Ai1ec_I18n::_x( 'Calendar Theme Options', 'meta box' ),
            array( $this, 'display_meta_box' ),
            $this->_registry->get( 'model.settings' )
                ->get( 'less_variables_page' ),
            'left',
            'default'
        );
    }

    /**
     * Display the page html
     */
    public function display_page() {

        $settings = $this->_registry->get( 'model.settings' );

        $args = array(
            'title' => Ai1ec_I18n::__(
                'Calendar Theme Options'
            ),
            'nonce' => array(
                'action'   => self::NONCE_ACTION,
                'name'     => self::NONCE_NAME,
                'referrer' => false,
            ),
            'metabox' => array(
                'screen' => $settings->get( 'themes_option_page' ),
                'action' => 'left',
                'object' => null
            ),
            'action' =>
                '?controller=front&action=ai1ec_save_theme_options&plugin=' . AI1EC_PLUGIN_NAME
        );

        $frontend = $this->_registry->get( 'css.frontend' );

        $loader = $this->_registry->get( 'theme.loader' );

        $file   = $loader->get_file( 'theme-options/page.twig', $args, true );

        return $file->render();

    }

    /**
     * Displays the meta box for the settings page.
     *
     * @param mixed $object
     * @param mixed $box
     */
    public function display_meta_box( $object, $box )  {

        $tabs = array(
            'general' => array(
                'name' => Ai1ec_I18n::__( 'General' ),
            ),
            'table' => array(
                'name' => Ai1ec_I18n::__( 'Tables' ),
            ),
            'buttons' => array(
                'name' => Ai1ec_I18n::__( 'Buttons' ),
            ),
            'forms' => array(
                'name' => Ai1ec_I18n::__( 'Forms' ),
            ),
            'calendar' => array(
                'name' => Ai1ec_I18n::__( 'Calendar general' ),
            ),
            'month' => array(
                'name' => Ai1ec_I18n::__( 'Month/week/day view' ),
            ),
            'agenda' => array(
                'name' => Ai1ec_I18n::__( 'Agenda view' ),
            ),
        );

        $tabs = apply_filters( 'ai1ec_less_variables_tabs', $tabs );

        $less_variables  = $this->_registry
            ->get( 'less.lessphp' )->get_saved_variables();
        $tabs            = $this->_get_tabs_to_show( $less_variables, $tabs );

        $loader          = $this->_registry->get( 'theme.loader' );
        $args            = array(
            'stacked'       => true,
            'content_class' => 'ai1ec-form-horizontal',
            'tabs'          => $tabs,
            'submit'        => array(
                'id'          => self::SUBMIT_ID,
                'value'       => '<i class="ai1ec-fa ai1ec-fa-save ai1ec-fa-fw"></i> ' .
                    Ai1ec_I18n::__( 'Save Options' ),
                'args'        => array(
                    'class'     => 'ai1ec-btn ai1ec-btn-primary ai1ec-btn-lg',
                ),
            ),
            'reset'         => array(
                'id'          => self::RESET_ID,
                'value'       => '<i class="ai1ec-fa ai1ec-fa-undo ai1ec-fa-fw"></i> ' .
                    Ai1ec_I18n::__( 'Reset to Defaults' ),
                'args'        => array(
                    'class'     => 'ai1ec-btn ai1ec-btn-danger ai1ec-btn-lg',
                ),
            ),
        );
        $file = $loader->get_file( 'theme-options/bootstrap_tabs.twig', $args, true );
        $file->render();

    }

    /**
     * Return the theme options tabs
     *
     * @param array $less_variables
     * @param array $tabs list of tabs
     *
     * @return array the array of tabs to display
     */
    protected function _get_tabs_to_show( array $less_variables, array $tabs) {

        // Inizialize the array of tabs that will be added to the layout
        $bootstrap_tabs_to_add = array();

        foreach( $tabs as $id => $tab ){
            $tab['elements'] = array();
            $bootstrap_tabs_to_add[$id] = $tab;
        }
        foreach ( $less_variables as $variable_id => $variable_attributes ) {
            $variable_attributes['id'] = $variable_id;
            $renderable = $this->_registry->get(
                'less.variable.' . $variable_attributes['type'],
                $variable_attributes
            );
            $bootstrap_tabs_to_add[$variable_attributes['tab']]['elements'][] = array(
                'html' => $renderable->render()
            );
        }
        return $bootstrap_tabs_to_add;
    }

    /**
     * Handle post, likely to be deprecated to use commands.
     */
    public function handle_post()  {

    }
}